Bubbles: Honor screen density when drawing bubbles and attractors.
diff --git a/src/com/savoirfairelinux/sflphone/model/Attractor.java b/src/com/savoirfairelinux/sflphone/model/Attractor.java
index 5547dc8..51b1850 100644
--- a/src/com/savoirfairelinux/sflphone/model/Attractor.java
+++ b/src/com/savoirfairelinux/sflphone/model/Attractor.java
@@ -1,6 +1,10 @@
 package com.savoirfairelinux.sflphone.model;
 
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
 import android.graphics.PointF;
+import android.graphics.RectF;
 
 public class Attractor {
 
@@ -8,10 +12,36 @@
 		public void onBubbleSucked(Bubble b);
 	}
 
-	PointF pos;
-	Callback callback;
-	public Attractor(PointF pos, Callback callback) {
+	final PointF pos;
+	final float radius;
+
+	final Callback callback;
+	private final Bitmap img;
+
+	private final RectF bounds = new RectF();
+
+	public Attractor(PointF pos, float radius, Callback callback, Bitmap img) {
 		this.pos = pos;
+		this.radius = radius;
 		this.callback = callback;
+		this.img = img;
 	}
-}
\ No newline at end of file
+
+	public Attractor(PointF pos, float radius, Callback callback, Context c, int resId) {
+		this(pos, radius, callback, BitmapFactory.decodeResource(c.getResources(), resId));
+	}
+
+	public void setDensity(float density)
+	{
+		bounds.set(pos.x - radius*density, pos.y - radius*density, pos.x + radius*density, pos.y + radius*density);
+	}
+
+	public RectF getBounds() {
+		return bounds;
+	}
+
+	public Bitmap getBitmap() {
+		return img;
+	}
+
+}